Run results for: This variable vs scope variable accessing performance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.36 OPR/87.0.4390.45

Browser: Opera 87

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Class this variable test	3296400.0 Ops/sec
Function scope variable test	3221056.0 Ops/sec

Script Preparation code:

class MyClass {
    getValue() {
		return this.value
    }
   
	setValue(value) {
       this.value = value
    }
}

function MyFunc() {
	var value
	return {
		setValue: function(value) {
            this.value = value
        },
        getValue: function(value) {
            return this.value
        }
    }
}

myClass = new MyClass()
myFunc = MyFunc()

Tests:

Class this variable test
myClass.setValue("test") myClass.getValue()
Function scope variable test
myFunc.setValue("test") myFunc.getValue()

Run results for: This variable vs scope variable accessing performance

Class this variable test

Function scope variable test